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| NEW PROSPECT FOR HIGH INDUCTION GRAIN ORIENTED SILICON STEEL PRODUCTION PROCESS BY USING AIN AND Sb INHIBITOR |
| SUN Xuefan;HE Zhongzhi;CHEN Yulian;MA Hongliang;LIU Zhifu Central Iron and Steel Research Institute;Ministry of Metallurgical Industry;Beijing |
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Cite this article:
SUN Xuefan;HE Zhongzhi;CHEN Yulian;MA Hongliang;LIU Zhifu Central Iron and Steel Research Institute;Ministry of Metallurgical Industry;Beijing. NEW PROSPECT FOR HIGH INDUCTION GRAIN ORIENTED SILICON STEEL PRODUCTION PROCESS BY USING AIN AND Sb INHIBITOR. Acta Metall Sin, 1985, 21(1): 110-117.
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Abstract Technical aspect of using new inhibitor AlN+Sb to produce high inductiongrain oriented Si steel were investigated.The majority in process was developed inits optimum chemical composition ranges,the reheating temperature of the slab,thenormalizing and quenching regimes of the hot-rolled band,the intermediate anneal-ing treatment and the cold-rolling reduction,which acted upon the presuppositionof the new inhibitor used Their main technological availability was distinguishedfrom ones conventionally made of the inhibitor of MnS+AlN by the suitablesoluble Al content,the extension of normalizing and quenching temperaturelimitation,the reheating temperature of slab lowered down to 1250℃ in accord-ance with the adjustment of the soluble Al and C contents and the final stage ofcold-rolling reduction,as well as the final reduction controlled from 70 to 83%with two-stage cold rolling process.The magnetic properties of the 0.35 mmthick specimen without stress insulating coating are:B_(10)=1.88-1.96T,W_(15)=0.95-1.05 W/kg and W_(17)=1.24-1.37 W/kg,which has reached an advancedlevel of Hi-B grade produced by MnS and AlN inhibitor.
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Received: 18 January 1985
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